CO19 - As gun crime and the terrorisr threat increases, the number of armed police officers in Britain remains small so are we safe in their hands? We join the elite officers of CO19 on patrol, and take part in their frighteningly authentic training programme

Born into Tsarist Russian nobility, Princess Sofka Dolgorouky spent the Second World war in a Nazi internment camp before becoming a prominent Chelsea Communist. Her diary, which she passed on to her graddaughter, Sofka Zineovieff, revealed an exceptional life - but there was more between the lines